package com.lagou.controller;

import com.lagou.domain.Menu;
import com.lagou.domain.ResponseResult;
import com.lagou.service.MenuService;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

@RestController
@RequestMapping("/menu")
public class MenuController {

    @Autowired
    private MenuService menuService;

    @RequestMapping("/findAllMenu")
    public ResponseResult findAllMenu() {

        List<Menu> allMenu = menuService.findAllMenu ();

        ResponseResult result = new ResponseResult (true, 200, "响应成功", allMenu);

        return result;
    }

    /*回显菜单信息*/
    @RequestMapping("/findMenuInfoById")
    public ResponseResult findMenuInfoById(Integer id) {

        //根据id的值判断是更新还是添加操作，判断id的值是否为-1
        if(id == -1) {
            //添加，回显信息中不需要查询menu信息
            List<Menu> subMenuListByPid = menuService.findSubMenuListByPid (-1);

            //封装数据
            Map<String ,Object> map = new HashMap<> ();
            map.put ("menuInfo",null);
            map.put("parentMenuList",subMenuListByPid);

            return new ResponseResult (true,200,"响应成功",map);
        } else {

            //修改数据，回显所有map信息
            Menu menu = menuService.findMenuById (id);
            List<Menu> subMenuListByPid = menuService.findSubMenuListByPid (-1);
            //封装数据
            Map<String ,Object> map = new HashMap<> ();
            map.put ("menuInfo",menu);
            map.put("parentMenuList",subMenuListByPid);
            return new ResponseResult (true,200,"响应成功",map);
        }
    }
}
